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826
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Applications and importance of breaking torque testing
Applications across sectors
Breaking torque testing plays a central role in confirming that products are not only functional, but also durable and safe throughout their lifecycle.
827
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Applications and specimen types
Torque testing is used across a broad range of packaging designs, including:
828
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Applications in demanding sectors
The strip method is used wherever fabric integrity under load is critical:
829
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Maintenance and calibration of tear testers
To maintain accuracy and extend service life, regular maintenance and calibration are essential.
830
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Standards in torque testing
Mecmesin systems are designed to comply with widely recognised international standards.
831
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Key applications of pull-off and pull-out testing
The versatility of these tests means they are used across a broad range of products and industries.
832
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Benefits and limitations of compressive shear testing
Advantages
High precision - accurate measurement of shear strength under controlled compression
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833
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ISO 34-2 standards explained
ISO 34-2 specifies the Delft tear test procedure for vulcanised or thermoplastic rubber, ensuring testing is carried out under consisten
834
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Test methods for textiles and other materials
Flexible materials such as textiles and elastomers require test methods adapted to their specific mechanical behaviour.
835
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Standard test methods for floating roller peel
Several international standards define procedures for floating roller peel testing:
836
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Understanding torque testing
Types of torque testing in packaging
Several torque measurements are relevant to closure performance:
837
Case study
Seat belt locking device test
Requirement
The customer requested a system to measure the force required to release the locking mechanism of a car seat-belt whilst it is under tension.
838
Case study
Torsion spring testing
Customised engineering example
Unlike most compression and tension springs, torsion springs are produced in a variety of forms with differing leg positions.
839
Case study
Diamante pull-off test
Requirement
The customer was a supplier to major UK clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
840
Case study
Medical suture device calibration system
Requirement
A number of devices which 'crimp' a curved needle to a fine medical thread needed to be tested. The crimp force was applied horizontally pulling a lever on the device.
841
Case study
Card and paper crease line testing
Customised engineering example
A packaging production company needed to test the crease force of the ink-coated card used in their fully-enclosed cartons.
842
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ASTM F2458-05
This test method covers a means for comparison of wound closure strength of tissue adhesives used to help secure the apposition of soft tissue.
843
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BS EN ISO 19011:2011
Provides the fundamental knowledge needed for auditing management systems and has been expanded to reflect modern thinking and the intricacies of auditing multiple management system standards (MSS).
844
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Digital torque testers
Great value, easy to use handheld torque instruments that are ideal for product testing in quality control (QC) labs and on the production line.
845
Case study
Metal bottle cap on glass pull-off test
Customised engineering example
Gripping the base of a glass bottle for a tensile test can be challenging due to the slippy surface and contoured shape.
846
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ASTM F2258-05
This test method is intended to provide a means for comparison of the adhesive strengths of tissue adhesives intended for use as surgical adhesives or sealants, or both, on soft tissue.
847
Case study
Bow attachment pull-off test on clothing
Requirement
The customer was a supplier to major UK clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
848
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849
Case study
Bulk liquid carrier closures
Customised engineering example
Our client manufactures liquid bulk carriers fitted with two-part plastic valve closures. The collar is welded to a plastic bag, and the valve closure is fixed onto it by a compression joint.
850
Case study
Powdered drink container - compressive strength & lid peel tests
Customised engineering example
An international supplier of a powdered hot-chocolate drink wanted to test several aspects of their packaging. The powder is packed in a plastic-capped, foil-sealed cardboard tube container.